Speed-sensing projectile
First Claim
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1. A speed-sensing projectile comprising:
- a solid, generally spherical body having at least one bore formed therein;
an inertial switch within said body and accommodated by said at least one bore, said inertial switch being actuable between open and closed conditions in response to accelerations of said body;
a processor within said body and accommodated by said at least one bore, said processor being responsive to actuations of said inertial switch to detect launching of said projectile and the subsequent stopping thereof and calculating the average speed of said projectile over the travel thereof; and
a visible display on said body and being in communication with said processor to display said calculated average speed.
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Abstract
A speed-sensing projectile such as for example a baseball includes a generally spherical body. An inertial switch is positioned within the body and is actuable between open and closed conditions in response to accelerations of the body greater than a threshold value. A processor also within the body is responsive to the inertial switch and calculates the average speed at which the baseball is thrown over a fixed distance. A visible display on the body is in communication with the processor and displays the calculated speed.
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Citations
43 Claims
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1. A speed-sensing projectile comprising:
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a solid, generally spherical body having at least one bore formed therein; an inertial switch within said body and accommodated by said at least one bore, said inertial switch being actuable between open and closed conditions in response to accelerations of said body; a processor within said body and accommodated by said at least one bore, said processor being responsive to actuations of said inertial switch to detect launching of said projectile and the subsequent stopping thereof and calculating the average speed of said projectile over the travel thereof; and a visible display on said body and being in communication with said processor to display said calculated average speed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A speed-sensing baseball comprising:
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a generally spherical, solid body; an inertial switch actuable between open and closed conditions in response to accelerations of said body; a processor responsive to said inertial switch to calculate the average speed at which said baseball is thrown over a fixed distance, said inertial switch and said processor being positioned within a bore formed in said body; and a visible display on said body and being in communication with said processor to display said calculated average speed. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A speed-sensing projectile comprising:
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a body; a processor within said body, said processor monitoring the elapsed time said body takes to travel a fixed distance and calculating the average speed at which said projectile travels over said fixed distance; and a display responsive to said processor and presenting said average speed, wherein said processor resets said display in response to the detection of a predetermined sequence of events in the form of at least three impacts of said projectile occurring within a specified period of time, with a specified amount of time elapsing between each of said at least three impacts. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. A method of determining and displaying the speed at which a baseball is thrown over a fixed distance, said baseball having a single inertial switch and a processor therein, said processor being responsive to said inertial switch, said method comprising the steps of:
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initiating a timer in response to throwing of said baseball as detected by said inertial switch; stopping said timer when said baseball is caught as detected by said inertial switch; dividing said fixed distance by the elapsed time of said timer; and displaying the result. - View Dependent Claims (39, 40, 41, 42, 43)
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Specification